Proverbs 4:27 KJV — Turn not to the right hand nor to the left: remove thy foot from evil.
Don’t be distracted from what the Lord has shown you.
Refuse to be trapped bt anything that isn’t what He showed you, no matter how ‘good’ or ‘permissible’ it may be.
Evil is anything that distracts you from what the Lord has shown you, regardless of who else is doing it successfully.